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Finding the Fourth Proportional to 202,753,246.80, 304,129,870.20 and 200,961,656.40

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Solution

The fourth proportional to 202,753,246.80, 304,129,870.20 and 200,961,656.40 is: 301,442,484.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,753,246.80 : 304,129,870.20 = 200,961,656.40 : x
  2. Step 2: Convert to fraction form
    202,753,246.80/304,129,870.20 = 200,961,656.40/x
  3. Step 3: Cross multiply
    202,753,246.80x = 304,129,870.20 × 200,961,656.40
  4. Step 4: Simplify right side
    202,753,246.80x = 61,118,442,476,109,000
  5. Step 5: Solve for x
    x = 61,118,442,476,109,000/202,753,246.80
  6. Step 6: Final answer
    x = 301,442,484.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.